/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
Find all matching default pins for VariableName, irrespective of usage.
[TArray](API\Runtime\Core\Containers\TArray)< [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * > FindParameterMapDefaultValuePins ( const [FName](API\Runtime\Core\UObject\FName) VariableName ) const